The project has been DMCA'd (taken down) by an old developer. There will never be another official craftbukkit build by Bukkit, but Spigot has created a 1.8 build which is free to download at their site.

In your most recent post about changes to bukkit forums, you may want to edit "We have not, nor shall we, compromise the safety standards placed on uploads. We're actively working on ways to further improve our process to active even high security, and shorten queue times."